MESON Chess Problem Database
Problem Display
PID: 225665 (2R5/8/8/4K3/4pp1Q/3PkP2/4B3/1N6 w - - 0 1)
Onkoud, Abdelaziz
Praca, 1999
#2
7 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Kd5?
- 1...exd3
- 2.Re8#
- 1...exf3
- 2.Re8#
- 1...Kxe2!
- 1...exd3
- 1.Bd1?
- 1...Kxd3
- 2.Rc3#
- 1...exd3
- 2.Qe1#
- 1...exf3!
- 1...Kxd3
- 1.Bf1?
- 1...Kxf3
- 2.Qxf4#
- 1...exf3
- 2.Qe1#
- 1...exd3!
- 1...Kxf3
- 1.Rc4?
- threat
- 2.Rxe4#
- 1...exd3
- 2.Re4#
- 1...exf3
- 2.Re4#
- 1...Kxe2!
- threat
- 1.Re8?
- 1...exd3
- 2.Kd5#
- 1...exf3
- 2.Kd5#
- 1...Kxe2!
- 1...exd3
- 1.Kd5?
- Keys
- 1.Qe1!
- 1...exd3
- 2.Bd1#
- 1...exf3
- 2.Bf1#
- 1...exd3
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- P(b);OGATEB,XP(C)::R(G)
- P(b);OGATEB,XP(D)::R(G)
- Refutation
- K(a);P-FLIGHT,XB(B)
- Try
- B(B);
- Vars
- K(a);OGATEB,P-FLIGHT,XP(C)::R1(G)
- P(b);SBLOCK,XP(C)::QAR2(E)
- Refutation
- P(b);XP(D)
- Try
- B(B);
- Vars
- K(a);P-FLIGHT,XP(D)::QAR1(E),XP(c)
- P(b);SBLOCK,XP(D)::QAR2(E)
- Refutation
- P(b);XP(C)
- Try
- R(G);
- Threat
- R1(G),XP(b)
- Vars
- P(b);XP(C)::R1(G)
- P(b);XP(D)::R1(G)
- Refutation
- K(a);P-FLIGHT,XB(B)
- Try
- R(G);
- Vars
- P(b);XP(C)::R(G)+K(F)
- P(b);XP(D)::R(G)+K(F)
- Refutation
- K(a);P-FLIGHT,XB(B)
- Try
- Actual
- Q(E);
- Vars
- P(b);SBLOCK,XP(C)::QAR(E)+B(B)
- P(b);SBLOCK,XP(D)::QAR(E)+B(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).